<script>
    import {getData} from "@/api";
    import * as echarts from 'echarts';

    export default {
        name: 'Home',
        data() {
            return {
                tableData: [],
                tableLabel: {
                    name: '课程',
                    todayBuy: '今日购买',
                    monthBuy: '本月购买',
                    totalBuy: '总购买',
                },
                countData: [
                    {
                        name: "今日支付订单",
                        value: 1234,
                        icon: "success",
                        color: "#2ec7c9",
                    },
                    {
                        name: "今日收藏订单",
                        value: 210,
                        icon: "star-on",
                        color: "#ffb980",
                    },
                    {
                        name: "今日未支付订单",
                        value: 1234,
                        icon: "s-goods",
                        color: "#5ab1ef",
                    },
                    {
                        name: "本月支付订单",
                        value: 1234,
                        icon: "success",
                        color: "#2ec7c9",
                    },
                    {
                        name: "本月收藏订单",
                        value: 210,
                        icon: "star-on",
                        color: "#ffb980",
                    },
                    {
                        name: "本月未支付订单",
                        value: 1234,
                        icon: "s-goods",
                        color: "#5ab1ef",
                    },
                ],
            }
        },
        mounted() {
            getData().then(({data}) => {
                console.log(data.data);
                const {tableData, userData, videoData} = data.data;
                this.tableData = tableData;

                // 折线图
                // 基于准备哈的dom，初始化echarts实例
                // 传入dom节点，得到一个echarts的实例
                const echarts1 = echarts.init(this.$refs.echarts1);
                // 指定图表的配置项和数据
                var echarts1Option = {};
                // 处理数据
                const {orderData} = data.data;
                const xAxis = Object.keys(orderData.data[0]);
                const xAxisData = {
                    data: xAxis
                };
                echarts1Option.xAxis = xAxisData;
                echarts1Option.yAxis = {};
                echarts1Option.legend = xAxisData;
                echarts1Option.series = [];
                xAxis.forEach(key => {
                    echarts1Option.series.push({
                        name: key,
                        data: orderData.data.map(item => item[key]),
                        type: "line",
                    })
                })
                // 使用指定的配置项和数据显示图表
                echarts1.setOption(echarts1Option);

                // 柱状图
                const echarts2 = echarts.init(this.$refs.echarts2);
                const echarts2Option = {
                    legend: {
                        // 图例文字颜色
                        textStyle: {
                            color: "#333",
                        },
                    },
                    grid: {
                        left: "20%",
                    },
                    // 提示框
                    tooltip: {
                        trigger: "axis",
                    },
                    xAxis: {
                        type: "category", // 类目轴
                        data: userData.map(item => item.date),
                        axisLine: {
                            lineStyle: {
                                color: "#17b3a3",
                            },
                        },
                        axisLabel: {
                            interval: 0,
                            color: "#333",
                        },
                    },
                    yAxis: [
                        {
                            type: "value",
                            axisLine: {
                                lineStyle: {
                                    color: "#17b3a3",
                                },
                            },
                        },
                    ],
                    color: ["#2ec7c9", "#b6a2de"],
                    series: [
                        {
                            name: '新增用户',
                            data: userData.map(item => item.new),
                            type: 'bar',
                        },
                        {
                            name: '活跃用户',
                            data: userData.map(item => item.active),
                            type: 'bar',
                        }
                    ],
                };
                echarts2.setOption(echarts2Option);

                // 饼状图
                const echarts3 = echarts.init(this.$refs.echarts3);
                const echarts3Option = {
                    tooltip: {
                        trigger: "item",
                    },
                    color: [
                        "#0f78f4",
                        "#dd536b",
                        "#9462e5",
                        "#a6a6a6",
                        "#e1bb22",
                        "#39c362",
                        "#3ed1cf",
                    ],
                    series: [
                        {
                            data: videoData,
                            type: 'pie',
                        }
                    ],
                };
                echarts3.setOption(echarts3Option);
            })
        }
    }
</script>

<template>
    <el-row>
        <el-col :span="8" style="padding-right: 10px;">
            <el-card class="box-card">
                <div class="user">
                    <img src="../assets/images/user.png" alt="">
                    <div class="userinfo">
                        <p class="name">Admin</p>
                        <p class="access">超级管理员</p>
                    </div>
                </div>
                <div class="login-info">
                    <p>上次登录时间：<span>2021-7-19</span></p>
                    <p>上次登录地点：<span>北京</span></p>
                </div>
            </el-card>
            <el-card class="box-card" style="margin-top: 20px; height: 460px;">
                <el-table :data="tableData" style="width: 100%">
                    <!--<el-table-column prop="name" label="课程"></el-table-column>-->
                    <!--<el-table-column prop="todayBuy" label="今日购买"></el-table-column>-->
                    <!--<el-table-column prop="monthBuy" label="本月购买"></el-table-column>-->
                    <!--<el-table-column prop="totalBuy" label="总购买"></el-table-column>-->
                    <el-table-column v-for="(val, key) in tableLabel" :key="key" :prop="key"
                                     :label="val"></el-table-column>
                </el-table>
            </el-card>
        </el-col>
        <el-col :span="16" style="padding-left: 10px;">
            <div class="num">
                <el-card v-for="(item, index) in countData" :key="item.name"
                         :body-style="{ display: 'flex', padding: 0 }">
                    <i class="icon" :class="`el-icon-${item.icon}`" :style="{ background: item.color }"></i>
                    <div class="detail">
                        <p class="price">￥ {{ item.value }}</p>
                        <p class="desc">{{ item.name }}</p>
                    </div>
                </el-card>
            </div>
            <el-card style="height: 280px;">
                <!--折线图-->
                <div ref="echarts1" style="height: 280px;"></div>
            </el-card>
            <div class="graph">
                <el-card style="height: 260px;">
                    <div ref="echarts2" style="height: 260px;"></div>
                </el-card>
                <el-card style="height: 260px;">
                    <div ref="echarts3" style="height: 240px;"></div>
                </el-card>
            </div>
        </el-col>
    </el-row>
</template>

<style scoped lang="less">
    .user {
        display: flex;
        align-items: center;
        padding-bottom: 20px;
        margin-bottom: 20px;
        border-bottom: 1px solid #cccccc;

        img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            margin-right: 40px;
        }

        .userinfo {
            .name {
                font-size: 32px;
                margin-bottom: 10px;
            }

            .access {
                color: #999999;
            }
        }
    }

    .login-info {
        p {
            line-height: 28px;
            font-size: 14px;
            color: #999999;
        }

        span {
            color: #666666;
            margin-left: 60px;
        }
    }

    .num {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;

        .icon {
            width: 80px;
            height: 80px;
            font-size: 30px;
            color: #ffffff;
            text-align: center;
            line-height: 80px;
        }

        .detail {
            display: flex;
            flex-direction: column;
            justify-content: center;
            margin-left: 15px;

            .price {
                font-size: 30px;
                margin-bottom: 10px;
                line-height: 30px;
                height: 30px;
            }

            .desc {
                font-size: 14px;
                color: #999999;
                text-align: center;
            }
        }

        .el-card {
            width: 32%;
            margin-bottom: 20px;
        }
    }

    .graph {
        display: flex;
        justify-content: space-between;
        margin-top: 20px;

        .el-card {
            width: 48%;
        }
    }
</style>